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15 November 2010

Looking After & Planting a Polytunnel in Winter

As a working mum with three children, an old farmhouse that's in a constant state of renovation, a Scout group leader and a gardener, I face a constant battle with time management.

Life can be a rollercoaster and trying to keep a balance a struggle at times - whether it's washing, cleaning, cooking, typing, sewing, homework or helping whichever family or group member is shouting out the loudest.

Needless to say our house isn't spic and span, the kids watch more TV than I'm comfortable with, the kitchen door remains unpainted after four years of adding filler to it, I regularly serve up omelets and oven chips, my filing hasn't been sorted and put away for months and the weeds are growing in my veg beds.

So it's with a massive sense of delight and relief when I finally tick off one of the jobs that's been taking up head space.... and this weekend it was the polytunnel.

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24th May 2009

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24th May 2009

Our tunnel had remained in the shed, still packaged in it's cardboard box, for over a year before we finally erected it with the help of a few friends, on a still, warm day in May in 2009.

My in-laws had bought it as an anniversary present from Highbank Organic Farm in Cuffesgrange, Co Kilkenny and so I was pleased as punch that I'd started off several seedlings in a friend's tunnel during the springtime so that I could immediately plant up the beds once the cover was on. ﻿ ﻿

We made parsley wine and repaired a hole in the roof of the plastic after our youngest daughter had decided to climb barefoot to the top. We also got our share of pests and diseases - the dreaded tomato blight and red spider mite.

November 2009

On a wet, cold day in November I drove over to Scariff in Co Clare and attended an informative full day workshop at Irish Seed Savers about using a polytunnel throughout the year.

I came back inspired and enthusiastically cleared the tunnel of anything dead or decaying and replanted it (yes in November) with carrots (Amsterdam Forcing), Overwintering Lettuce, Broad Beans (Bunyards Express) and Peas (Onward I think, seed packets got a bit muddled!). I left the parsley, chives, radish and carrots already growing to do their own thing.

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6th May 2010

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Everything remained dormant for the worst of the cold winter but then as the light levels increased and the air became warmer, they started to grow and we were eating fresh peas in May.

The onions and garlic didn't do as well inside (their bulbs weren't very big) and we only picked about four chilli's (they were in a draft), but when clearing the tunnel yesterday I harvested 10 more sweet peppers. ﻿ ﻿﻿﻿﻿﻿﻿

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06/08/10 - Three Sisters : corn, beans & squash

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Crop rotation can be tricky in a polytunnel or glasshouse. Many of the fruit and vegetables we tend to plant in them, plants that require warmer temperatures to fully mature, are of the same family, for instance tomatoes and aubergines (Solanaceae) , cucumbers and squashes (Cucurbitaceae).﻿

Most folk I've spoken to just seem to move the plants around the best they can each year.

Some remove the soil and add new soil the following season (a bit too labour intensive in my mind).

Some grow tomatoes in containers as they're more prone to disease (eelworm).

Some take their chances and grow them in the same space each year.

Whatever you chose to do it's important to keep adding as much organic matter as possible to the soil. It will help with drainage and subsequently moisture levels amongst other things.

I appreciate it makes financial sense to keep a tunnel planted up year in, year out.... the plastic has to be replaced every five to ten years, so get the most from your money and sow as much as you can. Any of the vegetables that don't require Mediterranean temperatures and light levels can be grown in a tunnel over the winter months, and at this time of year anything that says 'early' on the packet should grow for you.

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15th November 2010

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There are massive temperature fluctuations in polytunnels that you have to be aware of.... at lunchtime today I opened the door and the temperature had reached 23oC in the bright sunshine, despite falling to just 1oC overnight.

(If you have a tunnelit's worth investing in a good thermometer that records highs and lows.) It will guide you as to whether you should put some horticultural fleece or newspaper onto crops to give them some added protection, or whether to water more in the summer months.

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15th November 2010

However, this winter I've chosen to give the soil a good rest. For the past 18 months the tunnel's been fully productive. I'm aware there's lots we could be growing and sowing (see the fabulous Joy Larkcom book for all her oriental veg ideas for starters), but for the next three months we wont be sowing anything inside.

Outside we still have leeks, celery, parsnips, swedes and curly kale. We have potatoes, beans, onions and garlic in storage and bags of strawberries in the freezer.

At this date in time there isn't a food crisis in Ireland (just an enormous financial one!) - I don't need to keep the tunnel endlessly productive.

So, we've cleared the beds, watered the dry earth and covered the soil with lovely, well rotted cow manure that's full of big, fat worms. Now we'll watch while nature does her job, replenishing and nourishing the soil.

In the spring time, when I've caught up with a few more jobs, I'll dig out the seed packets and trays and start growing again.

I'll also be keeping a look out in the library for Charles Dowding's new book How to Grow Winter Vegetables, that's due out in May, and see if I can overwinter anything next year.

I wonder what other people will be doing with their tunnels and greenhouses this year?

2 comments:

I am a bit envious of your polytunnel, I have thought about putting our own up numerous times but worry about the heavy snow we often recieve damaging it...and we have to figure out a way to get water to the place where it would be located....someday.:)

This year we have 7 covered rows ranging in length from 30-50 feet full of mostly kale, parsley, turnip greens, some chard, spinach, and a few other cold hardy plants.

Have to say I do love our tunnel. I'm not sure what to say about the snow though.... I've just added another picture to the bottom of the post of tunnel covered in snow last winter. We had to sweep the snow off daily, but that would have been the heaviest fall we're likely to see here in Ireland. I suspect you get a lot more judging by some of your pictures!